Trigonometry Concepts and Applications

The video tutorial introduces right triangle trigonometry, focusing on the concept of Sohcahtoa. It explains the sides of a triangle and the six trigonometric functions: sine, cosine, tangent, and their reciprocals. The tutorial demonstrates solving right triangles using the Pythagorean theorem and special triangles, and calculating trigonometric functions for given triangles. It also covers finding missing angles using inverse trigonometric functions. Finally, the video provides information about a trigonometry course available on Udemy.

What is the longest side of a right triangle called?

• Base

• Hypotenuse

• Adjacent

• Opposite

According to SOHCAHTOA, what is the sine of an angle equal to?

• Opposite/Hypotenuse

• Adjacent/Hypotenuse

• Opposite/Adjacent

• Hypotenuse/Opposite

What is the reciprocal of the sine function?

• Secant

• Cosecant

• Cotangent

• Tangent

If a right triangle has sides of lengths 3 and 4, what is the length of the hypotenuse?

• 5

• 8

• 7

• 6

In a 3-4-5 right triangle, what is the value of cosine theta if the adjacent side is 3?

• 5/4

• 3/5

• 4/5

• 3/4

What is the value of tangent theta in a right triangle with opposite side 15 and adjacent side 8?

• 17/8

• 8/17

• 8/15

• 15/8

If the hypotenuse of a right triangle is 25 and one side is 15, what is the length of the other side?

• 10

• 30

• 35

• 20

Which trigonometric function would you use to find the length of the opposite side if you know the adjacent side and the angle?

• Cosine

• Tangent

• Secant

• Sine

What is the value of x if the angle is 38 degrees and the adjacent side is 42?

• 32.8

• 35.6

• 40.2

• 45.1

Which of the following topics is NOT covered in the Udemy trigonometry course overview?

• Calculus

• Graphing Trig Functions

• Unit Circle

• Law of Sines